Hybrid semiconducting nanowire devices combining epitaxial superconductor and ferromagnetic insulator layers have been recently explored experimentally as an alternative platform for topological superconductivity at zero applied magnetic field. In this proof-of-principle work we show that the regime can be reached in actual depending on some geometrical constraints. To end, perform numerical si...

We develop a theory of the spin battery effect in superconductor/ferromagnetic insulator (SC/FI) systems taking into account magnetic proximity effect. demonstrate that spin-energy mixing enabled by superconductivity leads to enhancement accumulation several orders magnitude relative normal state. This finding can explain recently observed giant inverse Hall generated thermal magnons SC/FI syst...

We investigate the impact of electrostatics on proximity effect between a magnetic insulator and semiconductor wire in semiconductor-superconductor-magnetic hybrid structures. By performing self-consistent Schr$\ddot{\rm o}$dinger-Poisson calculations using an effective model system, we find that large Zeeman fields consistent with emergence topological superconductivity emerge within parameter...

The interplay between magnetism and superconductivity in heavy fermion materials has attracted much interest since the discovery of heavy fermion superconductivity. In several of the Ce based heavy fermion compounds, the behavior of the magnetic order can be understood qualitatively in terms of a simple picture, in which long-range RudermanKittel-Kasuya-Yosida ~RKKY! interactions between the Ce...

We studied the transport properties of meso-junctions semiconducting (Sm) highly doped Si with different superconductors (Sc) through point contact Andreev reflection (PCAR) spectroscopy. Spectra low transparency contacts between and In showed an enhancement in superconducting energy gap In. This was due to effect additional arising from Schottky barrier at Sm-Sc interface. For higher Si-Nb Si-...

Recent experiments in semiconductor nanowires with a spin-orbit coupling and proximity-induced superconductivity exhibit signatures of Majorana bound states predicted to exist in the topological phase. In this Letter we predict that these nanowire systems exhibit unconventional magnetoelectric effects showing a sharp crossover behavior at the topological phase transition. We find that magnetic ...

Abstract Spin degree of freedom generally plays an important role in unconventional superconductivity. In many the iron-based compounds, superconductivity is found close proximity to long-range antiferromagnetic order, whereas monolayer FeSe grown on SrTiO 3 , with enhanced superconductivity, exhibits no magnetic or nematic ordering. Here we grow and multilayer EuTiO (001) layers, effort introd...

The symmetries and conserved quantities of Manton's modified superconductiv-ity model with non-relativistic Maxwell-Chern-Simons dynamics (also related to the Quan-tized Hall Effect) are obtained in the " Kaluza-Klein type " framework of Duval et al. 1. Introduction Recently [1], Manton proposed a modified version of the Landau-Ginzburg theory of superconductivity. His equations, defined on (2 ...